Cognomen Бахтиар (Bakhtiar 
, Bahtiar 
, Baxtiar 
) , all around the world, is a common last name. The last name Бахтиар is characteristic of Indonesia, where it is quite a common surname, Malaysia, and Georgia, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Malaysia, and Pakistan. Likewise, Бахтиар is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bakhtiar | Indonesia, Malaysia, Pakistan, Iraq, Bangladesh |
| Bahtiar | Indonesia, Saudi Arabia, Malaysia, United States, Pakistan |
| Baxtiar | Kazakhstan, Iran, Georgia, United States, Iraq |
| Бахтиар | Azerbaijan, Kazakhstan, Armenia, Russia, Belarus |